19981858 (number)

19981858 is an even 8-digits composite number following 19981857 and preceding 19981859. In scientific notation, it is written as 1.9981858 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 9184896 positive integers (up to 19981858) that are relatively prime to 19981858.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-one thousand eight hundred fifty-eight

Notation

Scientific notation 1.9981858 × 10^7
Engineering notation 1.9981858 × 10^6

Prime Factorization of 19981858

Prime Factorization 2 × 13 × 269 × 2857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19981858
Product of the distinct prime numbers

The prime factorization of 19981858 is 2 × 13 × 269 × 2857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 62, 77, 853, 645, 6134, 9785, 14662, 7126, 50128, 36432, 5000301, 9656465, 25568975, 90664396, 948767242, 799632770, 6154621937, 4312230241

Basic calculations (n = 19981858)

Multiplication

n×y
n×2 39963716
n×3 59945574
n×4 79927432
n×5 99909290

Division

n÷y
n÷2 9990929
n÷3 6660619.3333333
n÷3 4995464.5
n÷5 3996371.6

Exponentiation

ny
n2 399274649132164
n3 7.9782493419587E+21
n4 1.5942024543961E+29
n5 3.1855127066995E+36

Nth Root

y√n
2√n 4470.1071575523
3√n 271.35966188958
4√n 66.858859977959
5√n 28.848761525416

Divisors of 19981858

1, 2, 13, 26, 269, 538, 2857, 3497, 5714, 6994, 37141, 74282, 768533, 1537066, 9990929, 19981858

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19981857
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19981858 can be divided by 16 positive divisors. The sum of these divisors (counting 19981858) is 1, the average is 0.0625.

Base conversion 19981858

Base System Value
2 Binary 1001100001110011000100010
3 Ternary 1101121011221211
4 Quaternary 1030032120202
5 Quinary 20103404413
6 Senary 1552140334
8 Octal 114163042
10 Decimal 19981858
12 Duodecimal 68376aa
16 Hexadecimal 130e622
20 Vigesimal 64heci
36 Base36 bwa3m

Cryptographic Hash Functions

md5 fb826ddd68ffc46663c673af6bd8bc38
sha1 8466cdf36e93d5e6b49274c90d35ec6bc7c6a4db
sha256 16378b3e611a126d21ead31eba3503d8932cd0b1fe9de1bf56732ea9e2090e65
sha512 d721e9241ae96e8422ee50b808e3b5d3b28e9b68a124e1cd5b4ae8e252236126d611f2fa1573ab0fca2b3507d8398849934ec9287e5bc36f0a902d161ed4c157
ripemd-160 a4a896d6ab8e72c4eca585d9eef4ea26e1662f2c

19981858 as geometric shapes

Circle

Radius = n
Diameter 39963716
Circumference 125549716.59575
Area 1.2543583044782E+15

Sphere

Radius = n
Volume 3.341921269494E+22
Surface area 5.017433217913E+15
Circumference 125549716.59575

Square

Length = n
Perimeter 79927432
Area 399274649132164
Diagonal 28258614.585013

Cube

Length = n
Surface area 2395647894792984
Volume 7.9782493419587E+21
Space diagonal 34609593.285627

Equilateral Triangle

Length = n
Perimeter 59945574
Area 1.7289099461779E+14
Altitude 17304796.642813

Triangular Pyramid

Length = n
Surface area 1.7289099461779E+14
Volume 9.4024570194935E+20
Height 9419538.1950044